X-Git-Url: http://git.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/WhileStatement.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/WhileStatement.java
index 01e956d..24d668b 100644
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/WhileStatement.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/WhileStatement.java
@@ -1,5 +1,8 @@
 package net.sourceforge.phpdt.internal.compiler.ast;
 
+import java.util.List;
+import java.util.ArrayList;
+
 /**
  * A While statement.
  * @author Matthieu Casanova
@@ -18,10 +21,10 @@ public class WhileStatement extends Statement {
    * @param sourceStart the starting offset
    * @param sourceEnd the ending offset
    */
-  public WhileStatement(Expression condition,
-                        Statement action,
-                        int sourceStart,
-                        int sourceEnd) {
+  public WhileStatement(final Expression condition,
+                        final Statement action,
+                        final int sourceStart,
+                        final int sourceEnd) {
     super(sourceStart, sourceEnd);
     this.condition = condition;
     this.action = action;
@@ -32,15 +35,54 @@ public class WhileStatement extends Statement {
    * @param tab how many tabs (not used here
    * @return a String
    */
-  public String toString(int tab) {
-		final String s = tabString(tab);
-    final StringBuffer buff = new StringBuffer("while ("); //$NON-NLS-1$
-		buff.append(condition.toStringExpression()).append(")"); 	//$NON-NLS-1$
-		if (action == null) {
-			buff.append(" {} ;"); //$NON-NLS-1$
+  public String toString(final int tab) {
+    final String s = tabString(tab);
+    final StringBuffer buff = new StringBuffer(s).append("while ("); //$NON-NLS-1$
+    buff.append(condition.toStringExpression()).append(")"); 	//$NON-NLS-1$
+    if (action == null) {
+      buff.append(" {} ;"); //$NON-NLS-1$
     } else {
-			buff.append("\n").append(action.toString(tab + 1)); //$NON-NLS-1$
+      buff.append("\n").append(action.toString(tab + 1)); //$NON-NLS-1$
+    }
+    return buff.toString();
+  }
+
+  /**
+   * Get the variables from outside (parameters, globals ...)
+   * @return the variables from outside
+   */
+  public List getOutsideVariable() {
+    final ArrayList list = new ArrayList();
+    list.addAll(condition.getOutsideVariable()); // todo: check if unuseful
+    if (action != null) {
+      list.addAll(action.getOutsideVariable());
+    }
+    return list;
+  }
+
+  /**
+   * get the modified variables.
+   * @return the variables from we change value
+   */
+  public List getModifiedVariable() {
+    final ArrayList list = new ArrayList();
+    list.addAll(condition.getModifiedVariable());
+    if (action != null) {
+      list.addAll(action.getModifiedVariable());
+    }
+    return list;
+  }
+
+  /**
+   * Get the variables used.
+   * @return the variables used
+   */
+  public List getUsedVariable() {
+    final ArrayList list = new ArrayList();
+    list.addAll(condition.getUsedVariable());
+    if (action != null) {
+      list.addAll(action.getUsedVariable());
     }
-		return buff.toString();
+    return list;
   }
 }